Câu hỏi: Thank you very much _____ what you have done for me.

A. of

B. up

C. for

D. about

Câu 1: The children are really excited _____ their summer vacation.

A. on

B. of

C. to

D. about

Câu 2: _______ general, I found zoology to be an easier subject than botany.

A. On

B. In

C. At

D. With

Câu 3: She'll come home ______ April.

A. on

B. in

C. at

D. for

Câu 4: The government is trying to make the country safe _____ terrorist attacks.

A. from

B. of

C. at

D. for

Câu 5: This book is based _____ part on fact.

A. in

B. upon

C. at

D. on

Câu 6: Helen had said goodbye to everybody in the class _____ she left for the hometown.

A. after

B. before

C. and

D. for